Things most guys can have around the house: baseballs, basketballs, footballs, softballs. Things guys most definitely shouldn't have around the house: cannonballs. A collector in McKinney, Texas, kept an antique cannonball that he'd bought from the trunk of a man's car at a gun show in his apartment as a decoration, according to The Dallas Morning News. Responding to an anonymous tip, police seized the man's 45-pound, cast-iron cannonball on Monday and the weapons collector allowed officials to detonate it in a field close by behind McKinney High School. "It was a live cannonball," Plano police Detective Bryan Wood, a...